CVE-2018-11452 is a denial-of-service vulnerability affecting various firmware variants of the Siemens EN100 Ethernet module, specifically when oscillographs are running and IEC 61850-MMS communication is active. An unauthenticated attacker with network access can exploit this by sending specially crafted packets to port 102/tcp, leading to a complete loss of network functionality requiring a manual restart. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a high impact on availability with low attack complexity. There is no known active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:siemens:dnp3_tcp_firmware:-:*:*:*:*:*:*:* | ||
< 4.33CPE matchmatch criteria | cpe:2.3:o:siemens:iec_61850_firmware:*:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:siemens:iec104_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:siemens:modbus_tcp_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:siemens:profinet_io_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.